Associate Retirement Plans - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plans expense	$ 11,500,000	$ 7,000,000.0	$ 7,900,000
Cash surrender value of plan assets included in other long term assets	$ 82,660,000	84,182,000
Aggregate amount of life insurance coverage		15,000,000.0
Distribution charges		3,300,000	2,600,000
Defined contribution plan employees minimum period of service	10 years
Defined contribution plan employees age to eligible under the plan	55 years
Maximum age of major medical insurance with deductible and coinsurance provisions	65 years
Multiplier effect of Monthly postretirement health care benefits to covered employees	$ 5
Actuarial gains and losses are amortized when accumulation of such gains and losses exceeds	10.00%
Multiemployer plans, certified zone status	Red
Critical and declining zone fund status	Less than 65 percent
Michigan Conference of Teamsters and Ohio Conference of Teamsters Health and Welfare Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension contributions during last plan year	$ 13,800,000	13,800,000	14,100,000
Central States, Southeast and Southwest Areas Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension contributions during last plan year	$ 14,000,000.0	13,300,000	13,400,000
Collective bargaining arrangement description	The Company is party to four CBAs that require contributions to the Plan with expiration dates ranging from January 2022 to October 2022. These CBAs cover warehouse personnel and drivers in Grand Rapids, Michigan and Bellefontaine and Lima, Ohio.
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
1% increase or decrease in assumed health care cost trend rate in accumulated postretirement benefit obligation	$ 100,000
Status or critical and declining zone plans	65.00%
Projected insolvent period based on active to inactive participants ratio.	20 years
Maximum [Member] | Central States, Southeast and Southwest Areas Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Expiration dates of collective bargaining arrangements	Oct. 31, 2022
Percentage representing contribution funded to plan total contribution	5.00%
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected insolvent period based on active to inactive participants ratio.	15 years
Minimum [Member] | Central States, Southeast and Southwest Areas Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Expiration dates of collective bargaining arrangements	Jan. 31, 2022
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plans expense	$ 1,500,000
Frozen pension plan, termination date	Jul. 31, 2018
Pre-tax settlement charges	$ 18,200,000
Defined benefit termination plan	18,000,000.0
Distribution charges	72,600,000
Settlement accounting charges	18,244,000	785,000	548,000
Standard pension funding carryover		1,500,000
Retiree Medical Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Standard pension funding carryover	1,800,000	329,000	$ 387,000
Expected Company contribution in 2020	500,000
Cash Surrender Value [Member]
Defined Benefit Plan Disclosure [Line Items]
Cash surrender value of plan assets included in other long term assets	$ 4,300,000	$ 4,300,000